Hantek DDS-3X25
The Hantek DDS-3X25 is a 25MHz PC-based function generator. It has no external controls, requiring a USB connection to a computer.
Hardware
TODO.
Photos
Protocol
0xA0: configure
Configures the device. The payload is 6 bytes as below:
| Byte | Bit | Description |
|---|---|---|
| 1 | Mode | |
| 7 | ||
| 6 | ||
| 5 | 1 = Reset external trigger (send only once) | |
| 4 | 1 = External trigger mode enabled | |
| 3 | External trigger: 0 = falling, 1 = rising | |
| 2 | 0 = continuous, 1 = single wave | |
| 1 | ||
| 0 | Measurement: 0 = frequency, 1 = counter | |
| 2 | ||
| 7 | ||
| 6 | ||
| 5 | ||
| 4 | ||
| 3 | ||
| 2 | ||
| 1 | ||
| 0 | Output: 0 = pattern generator, 1 = programmable output | |
| 3 | Digital I/O pins, bits 0-7 | |
| 4 | Bits 0-3 = digital I/O pins bits 8-11, bits 4-7 unused | |
| 5 | Clock divider, based on 48KHz clock | |
| 6 |